CN106883662A - A kind of coating polymolecularity TiO2Filler and preparation method thereof - Google Patents

A kind of coating polymolecularity TiO2Filler and preparation method thereof Download PDF

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CN106883662A
CN106883662A CN201710052320.5A CN201710052320A CN106883662A CN 106883662 A CN106883662 A CN 106883662A CN 201710052320 A CN201710052320 A CN 201710052320A CN 106883662 A CN106883662 A CN 106883662A
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tio
preparation
nano
inorganic layer
absolute ethyl
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CN106883662B (en
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张睿毅
王海旺
李明智
翁国明
冉轩豪
李国辉
刘�东
王佳杰
王柄筑
魏新芳
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Northeastern University Qinhuangdao Branch
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    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK  ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
    • C09C1/00—Treatment of specific inorganic materials other than fibrous fillers; Preparation of carbon black
    • C09C1/36—Compounds of titanium
    • C09C1/3607—Titanium dioxide
    • C09C1/3653—Treatment with inorganic compounds
    • C09C1/3661—Coating
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK  ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
    • C09C1/00—Treatment of specific inorganic materials other than fibrous fillers; Preparation of carbon black
    • C09C1/36—Compounds of titanium
    • C09C1/3607—Titanium dioxide
    • C09C1/3676—Treatment with macro-molecular organic compounds
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK  ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
    • C09C3/00—Treatment in general of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties
    • C09C3/006—Combinations of treatments provided for in groups C09C3/04 - C09C3/12
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK  ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
    • C09C3/00—Treatment in general of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties
    • C09C3/06—Treatment with inorganic compounds
    • C09C3/063—Coating
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK  ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
    • C09C3/00—Treatment in general of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties
    • C09C3/10—Treatment with macromolecular organic compounds
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40—Additives
    • C09D7/60—Additives non-macromolecular
    • C09D7/61—Additives non-macromolecular inorganic
    • C09D7/62—Additives non-macromolecular inorganic modified by treatment with other compounds

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Pigments, Carbon Blacks, Or Wood Stains (AREA)

Abstract

The invention belongs to technical field of coatings, a kind of coating polymolecularity TiO is disclosed2Filler and preparation method thereof.The structure of the filler is：Nano-TiO2Particle surface is coated with cellular Al2O3Inorganic layer, Al2O3Inorganic layer surface bond has polyacrylamide.The present invention is first in TiO2One layer of cellular Al of Surface coating2O3Inorganic layer, inorganic layer is ultraviolet to part to be scattered, and reduces internal layer TiO2Absorption to ultraviolet light, reduces its photocatalytic activity, reduces TiO2To the burn into powder phenomenon-tion of film.The inorganic layer of this external application the inventive method cladding is cavernous structure, does not influence TiO2Contact with surrounding medium, TiO under ultraviolet light conditions2Surface can produce the free radicals such as OH, trigger acrylamide monomer to produce radical polymerization, and generation polyacrylamide macromolecular chain is grown in TiO2@Al2O3Compound particle surface, generates steric hindrance repulsion, so as to reduce interparticle Van der Waals force, it is to avoid TiO2Agglomeration between particle.

Description

A kind of coating polymolecularity TiO2Filler and preparation method thereof
Technical field
The invention belongs to technical field of coatings, and in particular to a kind of coating polymolecularity TiO2Filler and its preparation side Method.
Background technology
Titanium dioxide has excellent light scattering ability, and its refractive index is also extremely outstanding in the middle of pigment.Further, since its Superhydrophilic and photocatalytic under illumination condition, are widely used in the middle of coating.
But nano titanium oxide in the middle of coating due to surface energy higher, easily reuniting.The group of titanium dioxide The poly- covering efficiency for having had a strong impact on titanium dioxide in coating, while also having influence on other physical properties of coating, for example, colours Power, stain resistance and abrasion resistance etc..On the other hand, titanium dioxide surface forms redox system under illumination condition, to applying Film generates serious burn into atomizing.Therefore, a kind of high dispersive technology of titanium dioxide in coating is researched and developed to improve it Utilization rate in the middle of coating, while avoiding oxide etch of the titanium dioxide to coating from being particularly important.
The content of the invention
To solve the deficiencies in the prior art part, present invention aim at a kind of coating polymolecularity TiO of offer2Fill out Material.
To achieve the above object, the technical scheme that the present invention takes is as follows：
A kind of coating polymolecularity TiO2Filler, the structure of the filler is：Nano-TiO2Particle surface is coated with cellular Al2O3Inorganic layer, Al2O3Inorganic layer surface bond has polyacrylamide.
Preparation method, step is as follows：
S1, prepare nano-TiO2；
S2, preparation TiO2@Al2O3Compound particle, i.e., in nano-TiO2Surface coating Al2O3Inorganic layer：
S2.1, take the nano-TiO that S1 is prepared2It is added in the aqueous aluminum salt solution that mass fraction is 15~35%, ultrasound Dispersion（10~30min）；
S2.2, the sodium hydroxide solution to instillation PH=12 in the mixed liquor of S2.1, are stirred continuously, until mixed liquor PH=7；
S2.3, the mixed liquor centrifugation for taking S2.2, remove supernatant liquor, are cleaned repeatedly with absolute ethyl alcohol（2~3 times）,（60~70 ℃）Drying, obtains TiO2@Al2O3Compound particle；
S3, preparation TiO2@Al2O3@PAM composites, i.e., in Al2O3Inorganic layer surface bond polyacrylamide：
S3.1, take the TiO that S2 is prepared2@Al2O3Compound particle is placed in pipe, adds acrylamide aqueous solution,（Magneton）Stir Mix, be passed through nitrogen（10~15min）Sealing orifice afterwards；
S3.2, pipe is placed under visible ray, 2~4h of illumination obtains TiO2@Al2O3@PAM composites, coating as of the present invention is used Polymolecularity TiO2Filler.
Nano-TiO2Can be prepared by prior art, but the step of preferably S1 is：Using sol-gal process, by butyl titanate with Absolute ethyl alcohol is well mixed, and the mixed liquor of concentrated hydrochloric acid, absolute ethyl alcohol and water is added dropwise until turning into gel, by gel drying, calcining, Obtain final product nano-TiO2。
Specifically, the step of S1 is：
S1.1, butyl titanate is well mixed with absolute ethyl alcohol；
S1.2, it is well mixed after, heating water bath is added dropwise the mixing of concentrated hydrochloric acid, absolute ethyl alcohol and water while stirring to 30~40 DEG C Liquid, continues 20~40min of agitating heating after completion of dropping；
S1.3, warming while stirring continue to stir to gel to 70 ~ 80 DEG C；
S1.4, by gel at 60~80 DEG C dry 2~6 hours, then at 450~550 DEG C calcine 3~5 hours, obtain final product and receive Rice TiO2。
Further, in terms of volume parts, raw material dosage is respectively：In S1.1,2.6~3.2 parts of butyl titanate, absolute ethyl alcohol 5~6.5 parts；In S1.2,1.8~2.1 parts of water, 0.23~0.28 part of concentrated hydrochloric acid, 25~28 parts of absolute ethyl alcohol.
Further, in S2.1, nano-TiO2It is 5~9: 30~40 with the mass ratio of aqueous aluminum salt solution.
Further, in S3.1, the concentration of acrylamide aqueous solution is 0.1~0.5g/mL；TiO2@Al2O3Compound particle with The solid-liquid ratio of acrylamide aqueous solution is：TiO2@Al2O3Compound particle: acrylamide aqueous solution=1.5~3.0g: 30~50mL.
Further, the water-soluble aluminum salt is AlCl3、Al(NO3)3Or Al2(SO4)3。
Beneficial effect：The present invention is first in TiO2One layer of cellular Al of Surface coating2O3Inorganic layer, inorganic layer is to portion It is point ultraviolet to be scattered, reduce internal layer TiO2Absorption to ultraviolet light, reduces its photocatalytic activity, reduces TiO2To film Burn into powder phenomenon-tion.The Al of this external application the inventive method cladding2O3Inorganic layer is cavernous structure, does not influence TiO2Be around situated between The contact of matter, TiO under ultraviolet light conditions2Surface can produce the free radicals such as-OH, trigger acrylamide monomer to produce radical polymerization Close, generation polyacrylamide macromolecular chain is grown in TiO2@Al2O3Compound particle surface, generates steric hindrance repulsion, so that Reduce interparticle Van der Waals force, it is to avoid TiO2Agglomeration between particle, promotes titanium dioxide uniform in coating Dispersion.
Specific embodiment
Technical scheme is further described in detail below in conjunction with specific embodiment, but protection of the invention Scope is not limited thereto.
Embodiment 1
A kind of coating polymolecularity TiO2Filler, the structure of the filler is：Nano-TiO2Particle surface is coated with cellular Al2O3Inorganic layer, Al2O3Inorganic layer surface bond has polyacrylamide.
Preparation method, step is as follows：
S1, prepare nano-TiO2：
S1.1,6.5mL absolute ethyl alcohols are mixed with 3.2mL butyl titanates, stir 30min, then ultrasonic disperse 30min；
After S1.2, dispersion, heating water bath is added dropwise 2mL distilled water, 0.25mL concentrated hydrochloric acids while stirring to 40 DEG C（Mass percent 36%）With the mixed liquor of 25mL absolute ethyl alcohols, agitating heating 40min is continued after completion of dropping；
S1.3, warming while stirring continue to stir to gel to 80 DEG C；
S1.4, by gel at 80 DEG C dry 6 hours, then at 450 DEG C calcine 5 hours, obtain nano-TiO2；
S2, preparation TiO2@Al2O3Compound particle, i.e., in nano-TiO2Surface coating Al2O3Inorganic layer：
S2.1, take the nano-TiO that 8g S1 are prepared2It is added to the AlCl that 40g mass fractions are 15%3In solution, ultrasound point Dissipate 15min；
S2.2, to the sodium hydroxide solution that PH=12 is dropwise instilled in the mixed liquor of S2.1, be stirred continuously, until mixed liquor PH=7, Make the Al of generation2O3 . nH2O silence is in TiO2Surface；
S2.3, the mixed liquor centrifugation for taking S2.2, remove supernatant liquor, are cleaned repeatedly with absolute ethyl alcohol 3 times, and 70 DEG C of drying are obtained TiO2@Al2O3Compound particle；
S3, preparation TiO2@Al2O3@PAM composites, i.e., in Al2O3Inorganic layer surface bond polyacrylamide：
S3.1, take the TiO that 2.5g S2 are prepared2@Al2O3Compound particle is placed in pipe, adds the third of 50mL concentration 0.3g/mL The acrylamide aqueous solution, magneton stirring, is passed through sealing orifice after nitrogen 15min；
S3.2, pipe is placed under visible ray, illumination 3h obtains TiO2@Al2O3@PAM composites, coating high score as of the present invention Dissipate property TiO2Filler.
Respectively take the nano-TiO of the present embodiment S1 preparations2And TiO prepared by S32@Al2O3@PAM composite 1g, respectively It is added in 50mL water, stirs, obtains sample 1 and sample 2.Room temperature is observed after placing 12h, is found：Bottom has heavy in sample 1 Form sediment and produce, and sample 2 is then in homogeneous milky white liquid.Understand：TiO manufactured in the present embodiment2@Al2O3@PAM composites compared with Nano-TiO before cladding2With dispersiveness higher.
Embodiment 2
A kind of coating polymolecularity TiO2Filler, the TiO2The structure of filler is：Nano-TiO2Particle surface is coated with cellular Al2O3Inorganic layer, Al2O3Inorganic layer surface bond has polyacrylamide.
Preparation method, step is as follows：
S1, prepare nano-TiO2：
S1.1,5mL absolute ethyl alcohols are mixed with 2.8mL butyl titanates, stir 25min, then ultrasonic disperse 25min；
After S1.2, dispersion, heating water bath is added dropwise 2.1mL distilled water, 0.28mL concentrated hydrochloric acids while stirring to 50 DEG C（Quality percentage Number 36%）With the mixed liquor of 28mL absolute ethyl alcohols, agitating heating 40min is continued after completion of dropping；
S1.3, warming while stirring continue to stir to gel to 80 DEG C；
S1.4, by gel at 80 DEG C dry 5 hours, then at 550 DEG C calcine 5 hours, obtain nano-TiO2；
S2, preparation TiO2@Al2O3Compound particle, i.e., in nano-TiO2Surface coating Al2O3Inorganic layer：
S2.1, take the nano-TiO that 7.5g S1 are prepared2It is added to the Al (NO that 30g mass fractions are 20%3)3In solution, surpass Sound disperses 15min；
S2.2, to the sodium hydroxide solution that PH=12 is dropwise instilled in the mixed liquor of S2.1, be stirred continuously, until mixed liquor PH=7, Make the Al of generation2O3 . nH2O silence is in TiO2Surface；
S2.3, the mixed liquor centrifugation for taking S2.2, remove supernatant liquor, are cleaned repeatedly with absolute ethyl alcohol 3 times, and 70 DEG C of drying are obtained TiO2@Al2O3Compound particle；
S3, preparation TiO2@Al2O3@PAM composites, i.e., in Al2O3Inorganic layer surface bond polyacrylamide：
S3.1, take the TiO that 3g S2 are prepared2@Al2O3Compound particle is placed in pipe, adds the propylene of 50mL concentration 0.5g/mL Amide aqueous solution, magneton stirring, is passed through sealing orifice after nitrogen 15min；
S3.2, pipe is placed under visible ray, illumination 3h obtains TiO2@Al2O3@PAM composites, coating high score as of the present invention Dissipate property TiO2Filler.
Respectively take the nano-TiO of the present embodiment S1 preparations2And TiO prepared by S32@Al2O3@PAM composite 1g, respectively It is added in 50mL water, stirs, obtains sample 3 and sample 4.Room temperature is observed after placing 24h, is found：Bottom has heavy in sample 3 Form sediment and produce, and sample 4 is then in homogeneous milky white liquid.Understand：TiO manufactured in the present embodiment2@Al2O3@PAM composites compared with Nano-TiO before cladding2With dispersiveness higher.
Embodiment 3
A kind of coating polymolecularity TiO2Filler, the TiO2The structure of filler is：Nano-TiO2Particle surface is coated with cellular Al2O3Inorganic layer, Al2O3Inorganic layer surface bond has polyacrylamide.
Preparation method, step is as follows：
S1, prepare nano-TiO2：
S1.1,5.2mL absolute ethyl alcohols are mixed with 2.6mL butyl titanates, stir 20min, then ultrasonic disperse 20min；
After S1.2, dispersion, heating water bath is added dropwise 1.8mL distilled water, 0.23mL concentrated hydrochloric acids while stirring to 40 DEG C（Quality percentage Number 36%）With the mixed liquor of 25mL absolute ethyl alcohols, agitating heating 40min is continued after completion of dropping；
S1.3, warming while stirring continue to stir to gel to 80 DEG C；
S1.4, by gel at 80 DEG C dry 6 hours, then at 450 DEG C calcine 5 hours, obtain nano-TiO2；
S2, preparation TiO2@Al2O3Compound particle, i.e., in nano-TiO2Surface coating Al2O3Inorganic layer：
S2.1, take the nano-TiO that 9g S1 are prepared2It is added to the Al that 40g mass fractions are 30%2(SO4)3In solution, surpass Sound disperses 15min；
S2.2, to the sodium hydroxide solution that PH=12 is dropwise instilled in the mixed liquor of S2.1, be stirred continuously, until mixed liquor PH=7, Make the Al of generation2O3 . nH2O silence is in TiO2Surface；
S2.3, the mixed liquor centrifugation for taking S2.2, remove supernatant liquor, are cleaned repeatedly with absolute ethyl alcohol 3 times, and 70 DEG C of drying are obtained TiO2@Al2O3Compound particle；
S3, preparation TiO2@Al2O3@PAM composites, i.e., in Al2O3Inorganic layer surface bond polyacrylamide：
S3.1, take the TiO that 2.5g S2 are prepared2@Al2O3Compound particle is placed in pipe, adds 35mL concentration 0.15g/mL's Acrylamide aqueous solution, magneton stirring, is passed through sealing orifice after nitrogen 15min；
S3.2, pipe is placed under visible ray, illumination 5h obtains TiO2@Al2O3@PAM composites, coating high score as of the present invention Dissipate property TiO2Filler.
Respectively take the nano-TiO of the present embodiment S1 preparations2And TiO prepared by S32@Al2O3@PAM composite 1g, respectively It is added in 50mL water, stirs, obtains sample 5 and sample 6.Room temperature is observed after placing 36h, is found：Bottom has heavy in sample 5 Form sediment and produce, and sample 6 is then in homogeneous milky white liquid.Understand：TiO manufactured in the present embodiment2@Al2O3@PAM composites compared with Nano-TiO before cladding2With dispersiveness higher.

Claims (8)

1. a kind of coating polymolecularity TiO2Filler, it is characterised in that the structure of the filler is：Nano-TiO2Particle surface bag It is covered with cellular Al2O3Inorganic layer, Al2O3Inorganic layer surface bond has polyacrylamide.
2. one kind prepares coating polymolecularity TiO as claimed in claim 12The method of filler, it is characterised in that step is as follows：
S1, prepare nano-TiO2；
S2, preparation TiO2@Al2O3Compound particle：
S2.1, take the nano-TiO that S1 is prepared2It is added in the aqueous aluminum salt solution that mass fraction is 15~35%, ultrasound Dispersion；
S2.2, the sodium hydroxide solution to instillation PH=12 in the mixed liquor of S2.1, are stirred continuously, until mixed liquor PH=7；
S2.3, the mixed liquor centrifugation for taking S2.2, remove supernatant liquor, are cleaned repeatedly with absolute ethyl alcohol, dry, and obtain TiO2@Al2O3 Compound particle；
S3, preparation TiO2@Al2O3@PAM composites：
S3.1, take the TiO that S2 is prepared2@Al2O3Compound particle is placed in pipe, adds acrylamide aqueous solution, and stirring is passed through Sealing orifice after nitrogen；
S3.2, pipe is placed under visible ray, 2~4h of illumination obtains TiO2@Al2O3@PAM composites, coating as of the present invention is used Polymolecularity TiO2Filler.
3. preparation method as claimed in claim 2, it is characterised in that be the step of S1：Using sol-gal process, by metatitanic acid fourth Ester is well mixed with absolute ethyl alcohol, and the mixed liquor of concentrated hydrochloric acid, absolute ethyl alcohol and water is added dropwise until turning into gel, gel is dried, Calcining, obtains final product nano-TiO2。
4. preparation method as claimed in claim 3, it is characterised in that be specially the step of S1：
S1.1, butyl titanate is well mixed with absolute ethyl alcohol；
S1.2, it is well mixed after, heating water bath is added dropwise the mixing of concentrated hydrochloric acid, absolute ethyl alcohol and water while stirring to 30~40 DEG C Liquid, continues 20~40min of agitating heating after completion of dropping；
S1.3, warming while stirring continue to stir to gel to 70 ~ 80 DEG C；
S1.4, by gel at 60~80 DEG C dry 2~6 hours, then at 450~550 DEG C calcine 3~5 hours, obtain final product and receive Rice TiO2。
5. preparation method as claimed in claim 4, it is characterised in that：In terms of volume parts, raw material dosage is respectively：S1.1 In, 2.6~3.2 parts of butyl titanate, 5~6.5 parts of absolute ethyl alcohol；In S1.2,1.8~2.1 parts of water, concentrated hydrochloric acid 0.23~0.28 Part, 25~28 parts of absolute ethyl alcohol.
6. preparation method as claimed in claim 2, it is characterised in that：In S2.1, nano-TiO2With the matter of aqueous aluminum salt solution Amount is than being 5~9: 30~40.
7. preparation method as claimed in claim 2, it is characterised in that：In S3.1, the concentration of acrylamide aqueous solution for 0.1~ 0.5g/mL；TiO2@Al2O3Compound particle is with the solid-liquid ratio of acrylamide aqueous solution：TiO2@Al2O3Compound particle: acryloyl Amine aqueous solution=1.5~3.0g: 30~50mL.
8. preparation method as claimed in claim 2, it is characterised in that：Water-soluble aluminum salt is AlCl3、Al(NO3)3Or Al2 (SO4)3。
CN201710052320.5A 2017-01-24 2017-01-24 High-dispersity TiO for coating2Filler and preparation method thereof Active CN106883662B (en)

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Cited By (2)

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Publication number Priority date Publication date Assignee Title
CN108130000A (en) * 2017-11-10 2018-06-08 安徽顺成耐火构件科技有限公司 One kind removes formaldehyde fire resisting wallpaper
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